Retroperitoneal laparoscopic surgery for huge adrenal benign tumors: report of 9 cases

The clinical data of 9 patients with huge adrenal tumors (≥6 cm) undergoing retroperitoneal laparoscopic adrenalectomy between February 2015 and September 2016 were retrospectively analyzed. There were 2 males and 7 females aged 29-65 years. The tumors were detected due to investigation of paroxysmal hypertension in 4 cases, and during the health check-up in 5 cases. The lesions were located on the right side in 4 cases, on the left side in 4 cases and bilaterally in 1 case. The operations were all successful, there was no case transferring to open surgery. The average operation time was 70 min (50-100 min), mean bleeding volum was 100 ml(50-200 ml). The postoperative diagnosis: 4 cases of pheochromocytoma, 2 cases of cortical adenoma, 2 cases of neurilemmoma and 1 case of neuroinoma. The average follow-up time was 13.5 months (6-24 months) and no recurrence was found. Key words: Laparoscopy; Adrenal gland neoplasms; Adrenalectomy